| 000 | 00381 a2200097 4500 | ||
|---|---|---|---|
| 020 | _a926103201X | ||
| 920 | _a92-61-03201-X | ||
| 245 | 0 |
_aCCITT GAS 3 Methods for Evaluating New Digital Interexchange Transmission Systems as a Guide to National Network Planning / _c. |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1988. |
||
| 300 |
_aV, 302 s.: _bil.; _c30 cm. |
||
| 999 |
_c1816 _d1816 |
||